215058428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 415598400

約数和(自身を除く): 200539972

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 151, 244, 302, 449, 604, 793, 898, 1586, 1796, 1963, 3172, 3926, 5837, 7852, 9211, 11674, 18422, 23348, 27389, 36844, 54778, 67799, 109556, 119743, 135598, 239486, 271196, 356057, 478972, 712114, 881387, 1424228, 1762774, 3525548, 4135739, 8271478, 16542956, 53764607, 107529214, 215058428]

約数ペア:

[(1, 215058428), (2, 107529214), (4, 53764607), (13, 16542956), (26, 8271478), (52, 4135739), (61, 3525548), (122, 1762774), (151, 1424228), (244, 881387), (302, 712114), (449, 478972), (604, 356057), (793, 271196), (898, 239486), (1586, 135598), (1796, 119743), (1963, 109556), (3172, 67799), (3926, 54778), (5837, 36844), (7852, 27389), (9211, 23348), (11674, 18422)]